Senior Product Security Engineer — AI-Driven Security (Remote)

Payabl; Polska; Remote; PLN 524,000 - 787,000; Full time

Benefits offered by this job

Annual learning budget

Company celebrations

Global events & collaboration

Job summary

Payabl is seeking a Senior Product Security Engineer to embed security across the software development lifecycle, shaping the practice rather than inheriting it. You will lead security gates, AI-assisted workflows, and tooling choices, collaborating with product teams to secure payments, fintech and banking-related offerings.

Reporting to the Head of Information Security, you will drive threat modelling, secure-by-design reviews, and CI/CD security across cloud-native applications, containers,

Qualifications

• 5+ years of Product Security or Application Security in fintech or payments contexts.
• Hands-on experience embedding security into the software development lifecycle.
• You read code and discuss design with senior engineers.
• Proven threat modelling, secure-by-design reviews, and collaboration during architecture and delivery.
• Hands-on with SAST/ SCA/ DAST and secrets detection.
• Experience securing cloud-native apps on AWS or related clouds.
• Strong English communication skills.

Responsibilities

• Design and introduce security gates into the development lifecycle with guardrails.
• Lead threat modelling for new products and major changes.
• Provide secure-by-design input for payments products across platforms.
• Define secure-by-default patterns for authentication, authorization, API design and service trust.
• Decide where traditional tooling fits vs AI-assisted improvements.
• Own CI/CD pipeline and software supply-chain security controls.
• Implement and improve container image scanning, dependency management, SBOM, and IaC checks.
• Build AI-first practice with AI agents and LLM-assisted workflows.
• Drive remediation of findings with engineering teams.

Skills

Security engineering

SDLC integration

Threat modelling

AI-assisted security

Cloud security

Communication skills

Tools

SAST

SCA

DAST

Secrets detection

Container scanning

SBOM

IaC security

CI/CD tooling

Job description

Payabl is seeking a Senior Product Security Engineer to embed security across the software development lifecycle, shaping the practice rather than inheriting it. You will lead security gates, AI-assisted workflows, and tooling choices, collaborating with product teams to secure payments, fintech and banking-related offerings.

Reporting to the Head of Information Security, you will drive threat modelling, secure-by-design reviews, and CI/CD security across cloud-native applications, containers,